Table 1.

Percentage of patients reporting no pain postoperatively at 6, 12, 24, 48, and 72 h

Groups	At 6 h	At 12 h	At 24 h	At 48 h	At 72 h
Group 1 (%)	70	83.3 3	86.66	93.33	93.33
Group 2 (%)	76.66	83.33	90	90	100
Group 3 (%)	60	70	76.66	86.66	93.33
Group 4 (%)	23.33	30	43.33	73.33	86.66